1

swapping O rings.
how many and what size(s) on the JETBeam JET Mk II ?.
16340.

kind thanks.

2

b u m p

3

4

thanks , how does that measure out?.
in diameter and thickness.

this is for the MkII 16340.

much kind thanks.

5

The outer diameter of the ring is 15 millimeters. The ring force is 0.8 millimeters.

6

kind thanks.
appreciated.